Brussels, 24/09/2002 (Agence Europe) - In its communication on the state of progress of the Galileo programme, approved on Tuesday, the European Commission draws the attention of the Member States to four major challenges: - the resolution of conflicts internal to the European Space Agency (ESA), the rapid definition of services, the negotiation of an interoperability agreement with the United States, and the endorsement of the World Radiocommunications Conference of the signal spectrum...